pelitic hornfels

pelitic hornfels

[pə′lid·ik ′hȯrn‚felz]
(petrology)
A fine-grained metamorphic rock derived from pelite.
References in periodicals archive ?
Its blank was a pebble of spotted pelitic hornfels (cordierite hornfels), which they said 'are abundant in the Nepean River gravels, coming from a bedrock source in the upper Coxs River'.